A homicide detective realizes that the brutal murders committed by a mysterious serial killer he's after have something to do with the late husband of a beautiful widow.
| Writing | Lamberto Bava | Screenplay |
| Writing | Teodoro Corrà | Screenplay |
| Directing | Lamberto Bava | Director |
| Directing | Vittoria Vigorelli | Script Supervisor |
| Costume & Make-Up | Cristina Chillemi | Seamstress |
| Production | Pietro Bregni | Producer |
| Camera | Antonio Annunziata | First Assistant Camera |
| Costume & Make-Up | Ferdinando Merolla | Hairstylist |
| Production | Mario Bregni | Producer |
| Camera | Luigi Kuveiller | Director of Photography |
| Camera | Massimiliano Sano | Camera Operator |
| Costume & Make-Up | Antonella Amato | Costume Design |
| Sound | Alberto Doni | Sound Re-Recording Mixer |
| Sound | Carlo Maria Cordio | Music |
| Costume & Make-Up | Franco Casagni | Makeup Artist |
| Camera | Alberto Dionisi | Still Photographer |
| Writing | Bruce Martin | Screenplay |
| Writing | Domenico Paolella | Story |
| Art | Maurizio Jacopelli | Property Master |
| Writing | Teodoro Corrà | Story |
| Editing | Piero Bozza | Editor |
| Art | Davide Bassan | Production Design |
| Production | Teodoro Corrà | Production Manager |
| Production | Giammaria Vismara | Unit Production Manager |
| Directing | Alberto Brusco | Assistant Director |
| Art | Eugenio Ulissi | Set Dresser |
| Sound | Nick Alexander | ADR Editor |
| Sound | Luciano Anzellotti | Sound Effects |
| Sound | Romano Checcacci | Sound Mixer |
| Sound | Mario Cuccu | Sound |
| Sound | Cesare D'Amico | Dialogue Editor |
| Sound | Francesca Bregni | Dialogue Editor |
| Sound | Maurizio Miani | Boom Operator |
| Costume & Make-Up | Franco Casagni | Special Effects Makeup Artist |
| Crew | Augusto Ghitarrini | Stunts |
| Crew | Claudio Zucchet | Stunt Coordinator |
| Lighting | Sergio Coletta | Electrician |
| Camera | Angelo Donatone | Key Grip |
| Lighting | Marco Francescon | Genetator Operator |
| Camera | Franco Mele | Second Assistant Camera |
| Editing | Pierfrancesco Achilli | Assistant Editor |
| Editing | Alessandro Gabriele | First Assistant Editor |
| Crew | Arditi | Catering |
| Production | Franco Fenu | Production Secretary |
| Art | Aldo Mafera | Title Designer |
| Production | Agostino Mecci | Administration |
| Crew | Maria Ruhle | Unit Publicist |
| Production | Luigi Zarcone | Production Secretary |
